Home / 543,653,226,372.64-815,512,527,216.24-166,348,286,318.56

Finding the Fourth Proportional to 543,653,226,372.64, 815,512,527,216.24 and 166,348,286,318.56

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Solution

The fourth proportional to 543,653,226,372.64, 815,512,527,216.24 and 166,348,286,318.56 is: 249,532,431,323.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,653,226,372.64 : 815,512,527,216.24 = 166,348,286,318.56 : x
  2. Step 2: Convert to fraction form
    543,653,226,372.64/815,512,527,216.24 = 166,348,286,318.56/x
  3. Step 3: Cross multiply
    543,653,226,372.64x = 815,512,527,216.24 × 166,348,286,318.56
  4. Step 4: Simplify right side
    543,653,226,372.64x = 135,659,111,373,739,550,310,400
  5. Step 5: Solve for x
    x = 135,659,111,373,739,550,310,400/543,653,226,372.64
  6. Step 6: Final answer
    x = 249,532,431,323.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.